Made of high-strength aeronautical aluminum. - colored anodized
60% lighter than stainless steel. TYPE: HEXAGONAL NUTS FOR THREAD SIZE: M5 X 0.8 FOR SCREWS-Ø: 5.0 MM SELF-LOCKING: NO WRENCH WIDTH: 8MM Material: Aluminum SURFACE: BLUE ANODISED RESISTANCE CLASS: NO RESISTANCE CLASS SPECIALTY: OPEN SURFACE: BLACK ANODIZED SURFACE: GOLD ANODISED SURFACE: ORANGE ANODISED SURFACE: VIOLET ANODISED SURFACE: RED ANODIZED SURFACE: ANODISED SILVER